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Abstract：
Introduction: Bracing is one of the first-line treatment for early-onset idiopathic scoliosis (EOIS) to control curves from progression. This study aimed to explore the determinants that govern bracing effectiveness in EOIS. Methods: One hundred and eleven patients with EOIS (mean age of 8.6 ± 1.25 at diagnosis) received bracing treatment and had a final follow-up beyond skeletal maturity were identified from records between 1988 and 2021. Demographic data and clinical features of spinal curvature were obtained for correlation analyses to determine the associations between curve outcomes and clinical features. Results: Most patients were female (85.6%) and had a major curve on the left side (67%). The mean baseline Cobb angle of major curves was 21.73 ± 7.92°, with a mean Cobb angle progression of 18.05 ± 19.11°. The average bracing duration was 5.3 ± 1.9 years. Only 26 (23.4%) of them underwent surgery. The final Cobb angle and curve progression at the final follow-up with a Cobb angle of ≥50° were positively correlated with the initial Cobb angle (r = 0.206 and r = 0.313, respectively) and negatively correlated with maturity parameters. The lumbar curve type was found to correlate with a smaller final Cobb angle. Conclusions: The majority of patients had a final Cobb angle < 50°, which was considered a successful bracing outcome. The final Cobb angle correlated with the initial Cobb angle and curve types observed in EOIS.
摘要：
简介：支撑是早期特发性脊柱侧凸（EOIS）的一线治疗方法之一，可控制进展曲线。本研究旨在探索控制EOIS支撑有效性的决定因素。方法：从1988年至2021年的记录中确定了111例EOIS患者（诊断时的平均年龄为8.6±1.25）接受了支撑治疗，并进行了超过骨骼成熟度的最终随访。获得脊柱弯曲的人口统计数据和临床特征进行相关性分析，以确定曲线结果与临床特征之间的关联。结果：大多数患者为女性（85.6％），左侧有主要曲线（67％）。主曲线的平均基线Cobb角为21.73±7.92°，平均Cobb角为18.05±19.11°。平均支撑时间为5.3±1.9年。其中只有26人（23.4％）接受了手术。最终Cobb角≥50°随访时的最终Cobb角和曲线进展与初始Cobb角呈正相关(分别为r=0.206和r=0.313)，与成熟度参数呈负相关。发现腰椎曲线类型与较小的最终Cobb角相关。结论：大多数患者的最终Cobb角<50°，这被认为是一个成功的支撑结果。最终Cobb角与EOIS中观察到的初始Cobb角和曲线类型相关。
